Home / 870,682.48-1,201,475.94-488,635.46

Finding the Fourth Proportional to 870,682.48, 1,201,475.94 and 488,635.46

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Solution

The fourth proportional to 870,682.48, 1,201,475.94 and 488,635.46 is: 674,279.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,682.48 : 1,201,475.94 = 488,635.46 : x
  2. Step 2: Convert to fraction form
    870,682.48/1,201,475.94 = 488,635.46/x
  3. Step 3: Cross multiply
    870,682.48x = 1,201,475.94 × 488,635.46
  4. Step 4: Simplify right side
    870,682.48x = 587,083,748,620.83
  5. Step 5: Solve for x
    x = 587,083,748,620.83/870,682.48
  6. Step 6: Final answer
    x = 674,279.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.